<template>
  <div class="swiper-container" ref='cur'>
    <div class="swiper-wrapper" >
      <div class="swiper-slide" v-for="(item,index) in PassImage" :key="index" >
        <img :src="item.imgUrl" :class='{active:index==value}'  @click="addColor(index)">
      </div>
    </div>
    <div class="swiper-button-next"></div>
    <div class="swiper-button-prev"></div>
  </div>
</template>

<script>

  import Swiper from 'swiper'
  export default {
    name: "ImageList",
    props:["PassImage"],
    data(){
      return {
        value:0,
      }
    },
    watch:{
      PassImage(newVal,oldVal){
      this.$nextTick(()=>{
    new Swiper (this.$refs.cur, {
    slidesPerView:3,
    slidesPERGroup:1,
      // 如果需要前进后退按钮
    navigation: {
      nextEl: '.swiper-button-next',
      prevEl: '.swiper-button-prev',
    },
  })        
        })
      }
    },
    methods:{
      addColor(val){
        this.value=val
        this.$bus.$emit("passIndex",this.value)
      }
    }

  }
</script>

<style lang="less" scoped>
  .swiper-container {
    height: 56px;
    width: 412px;
    box-sizing: border-box;
    padding: 0 12px;
   

    .swiper-slide {
      width: 56px;
      height: 56px;
      img {
        width: 100%;
        height: 100%;
        border: 1px solid #ccc;
        padding: 2px;
        width: 50px;
        height: 50px;
        display: block;
  

      

      }
        .active {
          border: 2px solid #f60;
          padding: 1px;
        }
    }

    .swiper-button-next {
      left: auto;
      right: 0;
    }

    .swiper-button-prev {
      left: 0;
      right: auto;
    }

    .swiper-button-next,
    .swiper-button-prev {
      box-sizing: border-box;
      width: 12px;
      height: 56px;
      background: rgb(235, 235, 235);
      border: 1px solid rgb(204, 204, 204);
      top: 0;
      margin-top: 0;
      &::after {
        font-size: 12px;
      }
    }
  }
</style>